Problem	lazycat
User	chenweilian
Submission Time	2024-03-02 14:59:20
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lazycat.cpp: In function ‘void bfs(int, int, int)’:
lazycat.cpp:88:16: error: ‘isnumber’ was not declared in this scope
88 | if(isnumber(house[a][b])) {
| ^~~~~~~~
lazycat.cpp: In function ‘int main()’:
lazycat.cpp:136:16: error: ‘isnumber’ was not declared in this scope
136 | if(isnumber(house[i][j])) {
| ^~~~~~~~